maven badge

Author: rbri

README.md

@@ -9,6 +9,9 @@ This implementation starts based on CSSParser 0.9.25; we removed the sac depende
 
 We will try to stay in sync with CSSParser regarding the features in the future.
 
+[![Maven Central](https://maven-badges.herokuapp.com/maven-central/net.sourceforge.htmlunit/htmlunit-cssparser/badge.svg)](https://maven-badges.herokuapp.com/maven-central/net.sourceforge.htmlunit/htmlunit-cssparser)
+
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 Getting Started
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